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单词 exertion
释义 Noun: exertion  ig'zurshun
  1. Use of physical or mental energy; hard work
    "they managed only with great exertion"
    - effort, elbow grease, travail, sweat

Derived forms: exertions

See also: exert

Type of: labor [US], labour [Brit, Cdn], toil

Encyclopedia: Exertion

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